How many neutrons does element X have if it's atomic number is 33 and it's mass number is 93?

A ball is thrown straight up. Taking the drag force of air into account, does it take longer for the ball to travel to the top of its motion or for it to fall back down again?

A scientist collected data in 10 trials comparing tired students' and awake students' test scores. Trial Tired Average Score 1 34% 2 56% 3 60% 58% Awake Average Score 67% 88% 90% 86% Which trial was the least precise and is unlikely to be

Why would it be important to know Newton's second law in the real world?

What is the refraction index of a medium? -the ratio of the velocity of light in the medium over the velocity of light in a vaccum -the ratio of the velocity of light ina vacuum over a velocity of light in the medium -the ratio of the angle of

A mercedes-benz 300sl (m 5 1700 kg) is parked on a road that rises 158 above the horizontal. what are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?

Determine the kinetic energy of 1000-kg roller coaster car that is moving with speed of 20.0m/s

Is uranium elemant or compound

If a ball is thrown off of a 123 m cliff at a speed of 18 m/s, how far from the base of the cliff is the ball?

Hai swings a ball in a vertical circle at the end of a string that always remains taut (putting tension in the string.) At the top of the circle, the centripetal force on the ball is

What formula allows you to calculate force?